The actual oil mixture you use is a matter of personal preference.
The manufacturer lists 50:1 with a synthetic oil. But I prefer to run 36:1 with a good synthetic. More oil in the mix provides a greater amount of lubrication for the bottom end. The extra oil also provides greater ring seal and serves as a medium to transfer heat away from the piston.
I look for a JASO-FC rating on the two stroke oil. This is a japanese spec - only a top quality synthetic two stroke oil can meet this spec.
jeff
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